Merge with 4.0.13

BitKeeper/etc/logging_ok:
  auto-union
BUILD/SETUP.sh:
  Auto merged
BitKeeper/deleted/.del-internals.texi~62b6f580a41c2a43:
  Auto merged
client/mysqltest.c:
  Auto merged
include/config-win.h:
  Auto merged
include/my_global.h:
  Auto merged
include/mysql_com.h:
  Auto merged
innobase/include/srv0srv.h:
  Auto merged
innobase/log/log0log.c:
  Auto merged
innobase/os/os0file.c:
  Auto merged
innobase/srv/srv0srv.c:
  Auto merged
innobase/srv/srv0start.c:
  Auto merged
innobase/ut/ut0mem.c:
  Auto merged
mysql-test/mysql-test-run.sh:
  Auto merged
mysql-test/r/alter_table.result:
  Auto merged
mysql-test/r/errors.result:
  Auto merged
mysql-test/r/loaddata.result:
  Auto merged
mysql-test/r/rpl_insert_id.result:
  Auto merged
mysql-test/r/rpl_loaddata.result:
  Auto merged
mysql-test/std_data/rpl_loaddata2.dat:
  Auto merged
mysql-test/t/alter_table.test:
  Auto merged
mysql-test/t/loaddata.test:
  Auto merged
mysql-test/t/query_cache.test:
  Auto merged
mysql-test/t/raid.test:
  Auto merged
mysql-test/t/rpl_insert_id.test:
  Auto merged
mysql-test/t/rpl_loaddata.test:
  Auto merged
sql/field.cc:
  Auto merged
sql/ha_innodb.cc:
  Auto merged
sql/sql_cache.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_update.cc:
  Auto merged
sql/time.cc:
  Auto merged
configure.in:
  No changes
libmysqld/lib_sql.cc:
  No changes

BUILD/SETUP.sh

@@ -71,6 +71,22 @@ else
   make=make
 fi
 
-if test -z $CXX ; then
+if test -z "$CXX" ; then
   CXX=gcc
 fi
+
+# If ccache (a compiler cache which reduces build time)
+# (http://samba.org/ccache) is installed, use it.
+# We use 'grep' and hope 'grep' will work as expected
+# (returns 0 if finds lines)
+if ccache -V > /dev/null 2>&1
+then
+  if ! (echo "$CC" | grep "ccache" > /dev/null)
+  then
+    CC="ccache $CC"
+  fi
+  if ! (echo "$CXX" | grep "ccache" > /dev/null)
+  then
+    CXX="ccache $CXX"
+  fi
+fi